Trocar button



H. H. BROWN Sept. 19, 1950 TROCAR BUTTON Filed Nov. 5, 1947 FIG. 4.

- JNVENTOR. HAROLD H. BROWN TORNEtS Patented Sept. 19, 1950 UNITED STATES PATENT TOFFlC TROCAR BUTTON Harold HBrown, Merehantville, N. J. Application'November 5, 194?,Serial No. 784,282

2 Claims.

The trocar effects an incision in the body which has heretofore been closed by sewing or by the insertion of a tight plug retained in place by friction or, provided with a thread, by threading into the incision.

The closin of a trocar incision by sewing is disadvantageous because of the risk of infection to the embalmer from needle pricks or thread cuts. Again, since the sewed incision is not tight, fluids and gas which may be generated within the body may escape. While the escape of gas may be advantageous for the avoidance of pressure which will force fluids or other matter out of the body through openings, such as the mouth, nose, rectum and the like, it is disadvantageous because of the objectionable odor of such gas and the escape of fluids is always undesirable.

The use of a tight plug for closing the trocar incision has been found disadvantageous in that such plugs effect a tight closure of the trocar incision with the result that gas which may generate in the body may build up pressure with the undesirable results indicated above or again may force the plug out of the body.

N ow in accordance with this invention a trocar plu is provided of such construction as to effectively resist expulsion of the plug from the bod by gas pressure and, at the same time, as to permit the venting of gas from the body without at the same time venting fluids, and with deodorization of the gas where desired or necessary.

Generally speaking, the trocar button according to this invention comprises a hollow body of generally bullet shape, having apertures in its ends for the escape of gas and provided externally with a succession of barbs. Further, the interior of the hollow body may be wholly or partially filled with a gas deodorizing material.

Having now indicated, in a general way, the

nature and purpose of this invention, I will proceed to a detailed description of a preferred embodiment thereof with reference :to the accompanying drawing, in which:

Figure 1 is a side elevation of a trocar button according to this invention.

Figure 2 is a sectional view of the trocar button shown in Figure 1.

Figures 3 and 4 are opposite end views of the trocar button shown in Figure 1.

In the several figures, 11 indicates a generally bullet-shaped hollow body having a normally open base and having a succession of annular barbs 1) formed in its outer surface. Preferably,

the barbs b will extend from adjacent the base of the body a to adjacent its nose.

The nose portion of the body a will be provided with a plurality of perforations as c, c as shown in Figures 2 and 3.

The base of the body a is recessed for the reception of a removable closure member (2 which, in the form of a disc, is provided with a series of apertures e, e.

Within the body a is contained a gas deodorizing material 1, such, for example, as activated charcoal, paraformaldehyde and paradichlorobenzene in the form of particles of a size such as not to readily pass through the apertures c, c and e, e. The material f may partially fill the body a, as shown, or the body may be completely filled with material J.

The body a may be composed of any suitable material which desirably will be unaffected by embalming fluids and body fluids, such as, for example, a synthetic resin or plastic from which the body may be conveniently formed by molding. The closure member (I may be formed from plastic, carboard or the like.

In the use of the trocar button according to this invention, the body a is pressed into the trooar incision, having first been wholly or partially filled with gas deodorizing material if such is used. The barbs b will engage in the tissue surrounding the incision, and, as the tissue stiffens, the barbs will be firmly gripped therein. Any tendency of the body a to move out of the incision will tighten the grip of the barbs b in the tissue.

If now gas be developed in the body, it may escape through the body a. entering through the apertures c, c at the nose and escaping through apertures e, c the closure member a, with negation of the development of gas pressure in the body. However, fluids, as body fluids and embalming fluid, will not escape through the body 11 since the development of gas pressure to force fluids out will be avoided and normal flow will be inhibited.

When the body a is wholly or partially filled with a as deodorizing material, escaping gas will filter through such material and will be deodorized on escape from body a through apertures e in closure member d.

It will be appreciated that while this invention has been described in detail more particularly with reference to a trocar button, or device for closing a trocar incision, it is contemplated that the device may be used for closing any incision or opening in a body which it is adaptable to close whether made by a trocar or other instrument or existing naturally in the body.

What I claim and desire to protect by Letters Patent is: I

1. A device for closing incisions in a dead body comprising a hollow body of generally bullet shape, having an aperture in its nose and in its base portions and having a succession of annular barbs formed on its outer surface and a gas deodorizing material contained within said hollow body.

4 2. A device for closing incisions in a dead body comprisin a hollow body of generally bullet shape, said body being open at its base and having an aperture in its nose portion, an apertured closure for the open base of said body, a succession of annular barbs formed on the outer surface of said body and a gas deodorizing material in divided form contained within said body.

HAROLD H. BROWN.

REFERENCES CI- TED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 2,149,053 Hollister Feb. 28, 1939 2,156,260 Crothers May 2, 1939 

